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Key filings, March 20, 2026

1,145 filings · 6 highlights
← March 19, 2026March 23, 2026 →

Supply contracts 16

3/20AmendedSatrecInitiativeWorth 188.1% of last year's revenue, over about 97 months.₩86.8B
3/20AmendedKwang Myung ElectricWorth 17% of last year's revenue, over about 120 months.₩19.7B
3/20AmendedSungwon Ener TechWorth 15.8% of last year's revenue, over about 31 months.₩6.1B
3/20AmendedIlsung ConstructionWorth 15.5% of last year's revenue, over about 38 months.₩71.6B
3/20Agent AIWorth 15.3% of last year's revenue, over about 11 months.₩1.8B
3/20Agent AIWorth 14.4% of last year's revenue, over about 3 months.₩1.7B
3/20MiraeWorth 14.2% of last year's revenue, over about 3 months.₩3.8B
3/20AmendedHanmiGlobalWorth 12.6% of last year's revenue, over about 57 months.₩29.2B
3/20AmendedKBI Dong Yang Steel PipeWorth 10.8% of last year's revenue.₩27B
3/20AmendedDukshinepcWorth 10.6% of last year's revenue, over about 29 months.₩15.6B
3/20AmendedHanwha EngineWorth 9.9% of last year's revenue, over about 41 months.₩84.2B
3/20AmendedNamkwang Engineering & ConstructionWorth 9.8% of last year's revenue, over about 60 months.₩44B
3/20CHA AI HealthkareWorth 8% of last year's revenue, over about 1 month.₩1.3B
3/20AmendedWoojinWorth 7.3% of last year's revenue, over about 12 months.₩10.3B
3/20Xi S&DWorth 6.7% of last year's revenue.₩106B
3/20Samsung Heavy IndustriesWorth 3.8% of last year's revenue, over about 37 months.₩378B

Insider trades 62

3/20THNInsider ownership report
3/20ArootInsider ownership report
3/20SNTEnergyInsider ownership report
3/20AVAInsider ownership report
3/20SNTEnergyInsider ownership report
3/20NuriFlexInsider ownership report
3/20EcoGlowInsider ownership report
3/20NanoenTekInsider ownership report
3/20Hyundai MovexInsider ownership report
3/20S&sysInsider ownership report
3/20S&sysInsider ownership report
3/20LG H&HInsider ownership report
3/20S&sysInsider ownership report
3/20S&sysInsider ownership report
3/20Jeongmoon InformationInsider ownership report
3/20HS Hyosung Advanced MaterialsInsider ownership report
3/20QuratisInsider ownership report
3/20DmoaInsider ownership report
3/20GemVax & KAELInsider ownership report
3/20DaedongInsider ownership report
3/20Pangen BiotechInsider ownership report
3/20Atlas LinkInsider ownership report
3/20MDSsphereInsider ownership report
3/20UnickInsider ownership report
3/20CTKInsider ownership report
3/20KraftonInsider ownership report
3/20KakaoInsider ownership report
3/20WISEnutInsider ownership report
3/20KakaoInsider ownership report
3/20KakaoInsider ownership report
3/20KakaoInsider ownership report
3/20Nara CellarInsider ownership report
3/20AlticastInsider ownership report
3/20SmecInsider ownership report
3/20SmecInsider ownership report
3/20SmecInsider ownership report
3/20SmecInsider ownership report
3/20CntusInsider ownership report
3/20AcrylInsider ownership report
3/20DuobackInsider ownership report
All insider trades →

5% holders 62

3/20New 5%OrientbioA major holder's stake rose from 0.00% to 35.62% (new report).35.62%
3/20Below 5%OrientbioA major holder's stake fell from 35.60% to 0.00%.0.00%
3/20Below 5%AlticastA major holder's stake fell from 20.33% to 0.00%.0.00%
3/20DmoaA major holder's stake rose from 37.37% to 52.89% (rights offering).52.89%
3/20New 5%NICE Information ServiceA major holder's stake rose from 0.00% to 5.02%.5.02%
3/20SolumA major holder's stake rose from 8.04% to 23.02%.23.02%
3/20AmendedBHIA major holder's stake fell from 40.30% to 32.12% (related-party change).32.12%
3/20SolumA major holder's stake rose from 27.23% to 35.27% (related-party change).35.27%
3/20Pangen BiotechA major holder's stake rose from 40.72% to 46.78% (off-market buy).46.78%
3/20MIRAE ASSET Life InsuranceA major holder's stake rose from 61.03% to 65.53% (related-party change).65.53%
3/20QuratisA major holder's stake rose from 49.66% to 53.97% (rights offering).53.97%
3/20CelemicsA major holder's stake rose from 23.11% to 26.78%.26.78%
3/20KX HitechA major holder's stake fell from 12.55% to 9.37% (conversion/exercise).9.37%
3/20KukjeonA major holder's stake fell from 55.36% to 52.23%.52.23%
3/20PeopleBioA major holder's stake rose from 56.98% to 58.81% (rights offering).58.81%
3/20Below 5%CoxemA major holder's stake fell from 5.18% to 3.38% (open-market sale).3.38%
3/20ESteemA major holder's stake fell from 7.69% to 6.31% (open-market sale).6.31%
3/20SNTEnergyA major holder's stake fell from 55.55% to 54.19% (conversion/exercise).54.19%
3/20Below 5%AcrylA major holder's stake fell from 5.53% to 4.29%.4.29%
3/20Hyundai MovexA major holder's stake fell from 53.21% to 52.13% (open-market sale).52.13%
3/20S&sysA major holder's stake fell from 29.71% to 28.68% (related-party change).28.68%
3/20SejoongA major holder's stake fell from 31.48% to 30.45%.30.45%
3/20Jeongmoon InformationA major holder's stake rose from 42.02% to 42.88% (open-market buy).42.88%
3/20ZinusA major holder's stake rose from 6.08% to 6.88%.6.88%
3/20THNA major holder's stake fell from 37.87% to 37.16% (related-party change).37.16%
3/20SillaA major holder's stake fell from 64.95% to 64.42% (pledge).64.42%
3/20EcoGlowA major holder's stake rose from 13.76% to 14.28% (open-market buy).14.28%
3/20AmendedBHIA major holder's stake fell from 20.33% to 19.94% (related-party change).19.94%
3/20T3 EntertainmentA major holder's stake rose from 36.58% to 36.95% (stock option).36.95%
3/20AmendedBHIA major holder's stake fell from 40.65% to 40.30% (related-party change).40.30%
3/20DuobackA major holder's stake fell from 43.86% to 43.59% (open-market buy).43.59%
3/20EnexA major holder's stake rose from 27.46% to 27.71% (open-market buy).27.71%
3/20NuriFlexA major holder's stake fell from 37.16% to 36.98%.36.98%
3/20SungEel HiTechA major holder's stake fell from 32.76% to 32.63% (pledge).32.63%
3/20SmecA major holder's stake rose from 12.27% to 12.40% (open-market buy).12.40%
3/20Dong SUH CompaniesA major holder's stake fell from 67.52% to 67.44% (related-party change).67.44%
3/20HyosungA major holder's stake fell from 57.29% to 57.23% (pledge).57.23%
3/20NextchipA major holder's stake fell from 24.78% to 24.72% (open-market sale).24.72%
3/20MecaroA major holder's stake fell from 54.18% to 54.13% (open-market sale).54.13%
3/20CntusA major holder's stake rose from 48.89% to 48.92%.48.92%
All 5% holders →

Buybacks 11

3/20DisposalHyundaimarine&fireinsurancePlans to dispose of 894,000 sh of treasury stock, Apr 3 to May 8.₩27.1B
3/20DisposalKIAPlans to dispose of 53,599 sh of treasury stock, Apr 1 to Apr 1.₩9.1B
3/20AmendedBuybackPoongsan HoldingsPlans to buy back 124,174 sh of treasury stock, Mar 23 to Jun 22.₩4.7B
3/20BuybackT3 EntertainmentPlans to buy back 1,541,425 sh of treasury stock, Mar 23 to Jun 19.₩4B
3/20DisposalOsang HealthcarePlans to dispose of 8,150 sh of treasury stock, May 8 to May 8.₩78.7M
3/20Osang HealthcareShare cancellation
3/20Hyundaimarine&fireinsuranceShare cancellation
3/20Samsung Fire & Marine InsuranceShare cancellation
3/20Korea CircuitShare cancellation
3/20AmendedPoongsan HoldingsTreasury stock acquisition
3/20Poongsan HoldingsTreasury stock acquisition

Share issues & bonds 17

3/20Samsung BiologicsRights offering
3/20AmendedGeneOne Life ScienceCapital reduction
3/20AmendedAtumRights offering
3/20BistosConvertible bond issue
3/20B2EnConvertible bond issue
3/20AmendedDaiyang MetalConvertible bond issue
3/20GeneOne Life ScienceCapital reduction
3/20AmendedParatech CompanyConvertible bond issue
3/20AmendedVivienConvertible bond issue
3/20AmendedDynamic solutionConvertible bond issue
3/20AmendedVictory ContentsConvertible bond issue
3/20AmendedVictory ContentsConvertible bond issue
3/20AmendedVictory ContentsConvertible bond issue
3/20AmendedTHE CodiRights offering
3/20AmendedDaejin Advanced MaterialsConvertible bond issue
3/20AmendedKS IndustryConvertible bond issue
3/20AmendedARIBIO HoldingsConvertible bond issue

M&A & spin-offs 3

3/20AmendedTPCStake acquisition/disposal
3/20AniplusMerger
3/20AmendedWoosung MaterialsStake acquisition/disposal

Exchange actions 13

3/20CommaxExchange
3/20Alpha AIUnfaithful disclosure
3/20DawonsysUnfaithful disclosure
3/20HyperUnfaithful disclosure
3/20OlipassExchange
3/20Lemon CompanyTrading halt
3/20Tera ScienceExchange
3/20Dg-ItxExchange
3/20AmendedTS NexgenExchange
3/20TS NexgenExchange
3/20Exicure HitronExchange
3/20GeneOne Life ScienceTrading halt
3/20ShinpoongExchange inquiry